Case Studies
Case Studies
My Method for Proven Digital Transformation
When large enterprises face mission-critical technical challenges, they need more than just code – they need a strategic approach that delivers measurable business outcomes. My methodology combines:
🎯 Business-First Engineering
Starting with deep understanding of business problems before touching any code. Every technical decision maps directly to business value.
🛡️ Zero-Risk Transformations
Proven migration strategies that eliminate downtime and business disruption. I’ve migrated millions of customer records without a single service interruption.
👥 Team Multiplication
Building capable, empowered teams that sustain solutions long after I’m gone. My focus is creating lasting organizational capability, not dependency.
⚡ Context-Driven Architecture
Selecting the right technology stack for your specific constraints – not just the latest trends. Proven across banking and insurance industuries.
Featured Case Studies
Explore how this methodology has solved complex technical challenges and delivered measurable outcomes across different industries.
Macquarie Group's legacy entitlements system was becoming a business liability. Serving millions of banking customers, any downtime would mean massive revenue loss and regulatory issues. The system needed complete modernization without disrupting a single customer transaction.
- Strategic Planning: Designed a comprehensive cloud-native solution following strangler fig pattern.
- Risk-Free Migration: Implemented data migration with automated validations to check data quality and reconcile across legacy source system and startegic target system.
- Performance Testing and Capacity Planning: Ran multiple rounds of Load, Stress, Spike, Endurance and Volume testing which led to right-size the DB and app tiers to meet expected api SLAs.
- Dark launch: Migrated and observed the app performance and accuracy on production using a dark launch strategy and real-time reconciliation.
- Zero-Downtime Deployment: Once the migrated system gave enough confidence, switched over to the startegic target system with zero impact to customers and downstream api consumers.
- ✅ 100% uptime during migration of millions of customer entitlements
- 💰 Millions saved annually through retirement of legacy infrastructure
- ⚡ 2X improvement in api performance on average
- ⚡ 50% improvement in operational efficiency
- 🔒 Zero incidents during transition period
The secret wasn't just technical prowess – it was understanding that in banking, trust is everything. Every decision prioritized customer confidence over speed.
Aegon Life Insurance (Now Bandhan Life Insurance) needed to build a brand new cloud-native policy administration system in a startup environment – fast iteration with enterprise reliability. The platform needed multi-tenant B2B capabilities to serve major e-commerce partners while maintaining strict compliance standards.
- Cloud-native Event-Driven Architecture: Designed loosely-coupled, scalable cloud-native microservices architecture on AWS.
- API-First Development: Created comprehensive API strategy enabling rapid partner integration.
- Cross Cutting Concerns: Designed all the cross cutting concerns such as logging, security and monitoring as we started from scratch.
- Governance Framework: Established Architecture Review Board to maintain quality at startup speed.
- 🚀 Enabled API-driven sales through major e-commerce platforms (significant revenue stream)
- 🚀 Enabled to go Fully Digital and shutting down all physical touch points in India. Read this post
- 🔧 Reusable solution blocks adopted across the entire organization
- ⚡ 50% faster time-to-market for new insurance products. During Covid became the first insurance company in India to launch an insurance product with Covid-19 coverage. Read this news article
- 🏆 Red Carpet Award and Star of the Quarter recognition
Startup speed doesn't mean sacrificing enterprise quality. The right architecture enables both agility and reliability.
TIAA's self-service account opening application was painfully slow to load. Built on outdated Angular 1.4, the application needed complete modernization without disrupting active user workflows.
- Performance Analysis: Comprehensive analysis identifying critical bottlenecks.
- Hybrid Migration Strategy: Gradual Angular 1.4 to Angular 5 migration taking a hybrid approach.
- Frontend Optimization: Modern build processes, code splitting, and caching strategies.
- ⚡ 8x improvement in page load times (from ~8s to ~1s average)
- 🔄 Zero disruption to existing user workflows during migration
- 🏆 Quarterly Individual Award for performance excellence
Performance isn't just about code – it's about customer experience. Every millisecond saved translates directly to business value.
Ready to Transform Your Organisation?
These case studies represent millions in cost savings, zero-downtime migrations, and measurably improved customer experiences. Whether you’re facing a legacy modernization, performance crisis, or need to build something entirely new, my proven methodology can help.
What makes the difference? It’s not just technical expertise – it’s the systematic approach that prioritizes your business outcomes while building lasting organizational capability.
Let’s discuss your specific challenges
- Complex legacy migrations that can’t afford downtime
- Performance problems impacting customer experience
- New platform development requiring enterprise reliability at startup speed
- Team development and technical leadership needs